exacting
adjective
[ ɪɡˈzaktɪŋ ]
• making great demands on one's skill, attention, or other resources.
• "the exacting standards laid down by the organic food industry"
Similar:
demanding,
hard,
tough,
stringent,
testing,
challenging,
difficult,
onerous,
arduous,
laborious,
tiring,
taxing,
gruelling,
punishing,
back-breaking,
burdensome,
Herculean,
toilsome,
exigent,
exact
verb
• demand and obtain (something) from someone.
• "he exacted promises that another Watergate would never be allowed to happen"
Similar:
demand,
require,
insist on,
command,
call for,
impose,
request,
ask for,
expect,
look for,
extract,
compel,
force,
wring,
wrest,
squeeze,
obtain,
constrain,
Origin:
late Middle English (as a verb): from Latin exact- ‘completed, ascertained, enforced’, from the verb exigere, from ex- ‘thoroughly’ + agere ‘perform’. The adjective dates from the mid 16th century and reflects the Latin exactus ‘precise’.